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Basic HUC1 support (Emulated as MBC1)

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This commit is contained in:
Lior Halphon 2016-10-02 02:15:03 +03:00
parent 58a4081b48
commit 9b71454f07
2 changed files with 35 additions and 31 deletions
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4
Core/gb.h
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@ -169,6 +169,10 @@ typedef struct {
GB_MBC4, // Does this exist??? GB_MBC4, // Does this exist???
GB_MBC5, GB_MBC5,
} mbc_type; } mbc_type;
enum {
GB_STANDARD_MBC,
GB_HUC1, /* Todo: HUC1 features are not emulated. Should be unified with the CGB IR sensor API. */
} mbc_subtype;
bool has_ram; bool has_ram;
bool has_battery; bool has_battery;
bool has_rtc; bool has_rtc;

62
Core/mbc.c
View File

@ -5,46 +5,46 @@
const GB_cartridge_t GB_cart_defs[256] = { const GB_cartridge_t GB_cart_defs[256] = {
// From http://gbdev.gg8.se/wiki/articles/The_Cartridge_Header#0147_-_Cartridge_Type // From http://gbdev.gg8.se/wiki/articles/The_Cartridge_Header#0147_-_Cartridge_Type
/* MBC RAM BAT. RTC RUMB. */ /* MBC SUBTYPE RAM BAT. RTC RUMB. EXTRA */
{ GB_NO_MBC, false, false, false, false}, // 00h ROM ONLY { GB_NO_MBC, GB_STANDARD_MBC, false, false, false, false, }, // 00h ROM ONLY
{ GB_MBC1 , false, false, false, false}, // 01h MBC1 { GB_MBC1 , GB_STANDARD_MBC, false, false, false, false}, // 01h MBC1
{ GB_MBC1 , true , false, false, false}, // 02h MBC1+RAM { GB_MBC1 , GB_STANDARD_MBC, true , false, false, false}, // 02h MBC1+RAM
{ GB_MBC1 , true , true , false, false}, // 03h MBC1+RAM+BATTERY { GB_MBC1 , GB_STANDARD_MBC, true , true , false, false}, // 03h MBC1+RAM+BATTERY
[5] = [5] =
{ GB_MBC2 , true , false, false, false}, // 05h MBC2 { GB_MBC2 , GB_STANDARD_MBC, true , false, false, false}, // 05h MBC2
{ GB_MBC2 , true , true , false, false}, // 06h MBC2+BATTERY { GB_MBC2 , GB_STANDARD_MBC, true , true , false, false}, // 06h MBC2+BATTERY
[8] = [8] =
{ GB_NO_MBC, true , false, false, false}, // 08h ROM+RAM { GB_NO_MBC, GB_STANDARD_MBC, true , false, false, false}, // 08h ROM+RAM
{ GB_NO_MBC, true , true , false, false}, // 09h ROM+RAM+BATTERY { GB_NO_MBC, GB_STANDARD_MBC, true , true , false, false}, // 09h ROM+RAM+BATTERY
[0xB] = [0xB] =
// Todo: What are these? // Todo: What are these?
{ GB_NO_MBC, false, false, false, false}, // 0Bh MMM01 { GB_NO_MBC, GB_STANDARD_MBC, false, false, false, false}, // 0Bh MMM01
{ GB_NO_MBC, false, false, false, false}, // 0Ch MMM01+RAM { GB_NO_MBC, GB_STANDARD_MBC, false, false, false, false}, // 0Ch MMM01+RAM
{ GB_NO_MBC, false, false, false, false}, // 0Dh MMM01+RAM+BATTERY { GB_NO_MBC, GB_STANDARD_MBC, false, false, false, false}, // 0Dh MMM01+RAM+BATTERY
[0xF] = [0xF] =
{ GB_MBC3 , false, true, true , false}, // 0Fh MBC3+TIMER+BATTERY { GB_MBC3 , GB_STANDARD_MBC, false, true, true , false}, // 0Fh MBC3+TIMER+BATTERY
{ GB_MBC3 , true , true, true , false}, // 10h MBC3+TIMER+RAM+BATTERY { GB_MBC3 , GB_STANDARD_MBC, true , true, true , false}, // 10h MBC3+TIMER+RAM+BATTERY
{ GB_MBC3 , false, false, false, false}, // 11h MBC3 { GB_MBC3 , GB_STANDARD_MBC, false, false, false, false}, // 11h MBC3
{ GB_MBC3 , true , false, false, false}, // 12h MBC3+RAM { GB_MBC3 , GB_STANDARD_MBC, true , false, false, false}, // 12h MBC3+RAM
{ GB_MBC3 , true , true , false, false}, // 13h MBC3+RAM+BATTERY { GB_MBC3 , GB_STANDARD_MBC, true , true , false, false}, // 13h MBC3+RAM+BATTERY
[0x15] = [0x15] =
// Todo: Do these exist? // Todo: Do these exist?
{ GB_MBC4 , false, false, false, false}, // 15h MBC4 { GB_MBC4 , GB_STANDARD_MBC, false, false, false, false}, // 15h MBC4
{ GB_MBC4 , true , false, false, false}, // 16h MBC4+RAM { GB_MBC4 , GB_STANDARD_MBC, true , false, false, false}, // 16h MBC4+RAM
{ GB_MBC4 , true , true , false, false}, // 17h MBC4+RAM+BATTERY { GB_MBC4 , GB_STANDARD_MBC, true , true , false, false}, // 17h MBC4+RAM+BATTERY
[0x19] = [0x19] =
{ GB_MBC5 , false, false, false, false}, // 19h MBC5 { GB_MBC5 , GB_STANDARD_MBC, false, false, false, false}, // 19h MBC5
{ GB_MBC5 , true , false, false, false}, // 1Ah MBC5+RAM { GB_MBC5 , GB_STANDARD_MBC, true , false, false, false}, // 1Ah MBC5+RAM
{ GB_MBC5 , true , true , false, false}, // 1Bh MBC5+RAM+BATTERY { GB_MBC5 , GB_STANDARD_MBC, true , true , false, false}, // 1Bh MBC5+RAM+BATTERY
{ GB_MBC5 , false, false, false, true }, // 1Ch MBC5+RUMBLE { GB_MBC5 , GB_STANDARD_MBC, false, false, false, true }, // 1Ch MBC5+RUMBLE
{ GB_MBC5 , true , false, false, true }, // 1Dh MBC5+RUMBLE+RAM { GB_MBC5 , GB_STANDARD_MBC, true , false, false, true }, // 1Dh MBC5+RUMBLE+RAM
{ GB_MBC5 , true , true , false, true }, // 1Eh MBC5+RUMBLE+RAM+BATTERY { GB_MBC5 , GB_STANDARD_MBC, true , true , false, true }, // 1Eh MBC5+RUMBLE+RAM+BATTERY
[0xFC] = [0xFC] =
// Todo: What are these? // Todo: What are these?
{ GB_NO_MBC, false, false, false, false}, // FCh POCKET CAMERA { GB_NO_MBC, GB_STANDARD_MBC, false, false, false, false}, // FCh POCKET CAMERA
{ GB_NO_MBC, false, false, false, false}, // FDh BANDAI TAMA5 { GB_NO_MBC, GB_STANDARD_MBC, false, false, false, false}, // FDh BANDAI TAMA5
{ GB_NO_MBC, false, false, false, false}, // FEh HuC3 { GB_NO_MBC, GB_STANDARD_MBC, false, false, false, false}, // FEh HuC3
{ GB_NO_MBC, true , true , false, false}, // FFh HuC1+RAM+BATTERY { GB_MBC1 , GB_HUC1 , true , true , false, false}, // FFh HuC1+RAM+BATTERY
}; };
void GB_update_mbc_mappings(GB_gameboy_t *gb) void GB_update_mbc_mappings(GB_gameboy_t *gb)
@ -101,7 +101,7 @@ void GB_configure_cart(GB_gameboy_t *gb)
{ {
gb->cartridge_type = &GB_cart_defs[gb->rom[0x147]]; gb->cartridge_type = &GB_cart_defs[gb->rom[0x147]];
if (gb->rom[0x147] == 0xFF || (gb->rom[0x147] != 0 && memcmp(gb->cartridge_type, &GB_cart_defs[0], sizeof(GB_cart_defs[0])) == 0)) { if (gb->rom[0x147] != 0 && memcmp(gb->cartridge_type, &GB_cart_defs[0], sizeof(GB_cart_defs[0])) == 0) {
GB_log(gb, "Cartridge type %02x is not yet supported.\n", gb->rom[0x147]); GB_log(gb, "Cartridge type %02x is not yet supported.\n", gb->rom[0x147]);
} }